Home / 29,124.34-40,190.27-17,812.78

Finding the Fourth Proportional to 29,124.34, 40,190.27 and 17,812.78

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Solution

The fourth proportional to 29,124.34, 40,190.27 and 17,812.78 is: 24,580.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,124.34 : 40,190.27 = 17,812.78 : x
  2. Step 2: Convert to fraction form
    29,124.34/40,190.27 = 17,812.78/x
  3. Step 3: Cross multiply
    29,124.34x = 40,190.27 × 17,812.78
  4. Step 4: Simplify right side
    29,124.34x = 715,900,248.11
  5. Step 5: Solve for x
    x = 715,900,248.11/29,124.34
  6. Step 6: Final answer
    x = 24,580.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.